The neutron-rich Mg isotopes: first results from MINIBALL at REX-ISOLDE
Journal article, 2005
We report on the first radioactive beam experiment performed at the recently commissioned REX-ISOLDE facility at CERN in conjunction with the highly efficient γ spectrometer MINIBALL. Using Mg-30 ions accelerated to an energy of 2.25 MeV/u together with a thin Ni-nat target, Coulomb excitation of the first excited 2(+) states of the projectile and target nuclei well below the Coulomb barrier was observed. From the measured relative deexcitation γ-ray yields the B(E2;0(gs)(+)→ 2(1)(+)) value of Mg-30 was determined to be 241(31)e(2) fm(4). Our result is lower than values obtained at projectile fragmentation facilities using the intermediate-energy Coulomb excitation method, and confirms the theoretical conjecture that the neutron-rich magnesium isotope Mg-30 resides outside the "island of inversion."
DETECTOR
ISOTOPES
SILICON
COLLECTIVITY
NUCLEI
TRANSITION
SHELL-MODEL
ISOLDE
Author
O. Niedermaier
Max Planck Society
H. Scheit
Max Planck Society
V. Bildstein
Max Planck Society
H. Boie
Max Planck Society
J. Fitting
Max Planck Society
R. von Hahn
Max Planck Society
F. Kock
Max Planck Society
M. Lauer
Max Planck Society
U. K. Pal
Max Planck Society
H. Podlech
Max Planck Society
R. Repnow
Max Planck Society
D. Schwalm
Max Planck Society
C. Alvarez
Ludwig Maximilian University of Munich (LMU)
F. Ames
Ludwig Maximilian University of Munich (LMU)
G. Bollen
Ludwig Maximilian University of Munich (LMU)
S. Emhofer
Ludwig Maximilian University of Munich (LMU)
D. Habs
Ludwig Maximilian University of Munich (LMU)
O. Kester
Ludwig Maximilian University of Munich (LMU)
R. Lutter
Ludwig Maximilian University of Munich (LMU)
K. Rudolph
Ludwig Maximilian University of Munich (LMU)
M. Pasini
Ludwig Maximilian University of Munich (LMU)
P. G. Thirolf
Ludwig Maximilian University of Munich (LMU)
B. H. Wolf
Ludwig Maximilian University of Munich (LMU)
J. Eberth
University of Cologne
G. Gersch
University of Cologne
H. Hess
University of Cologne
P. Reiter
University of Cologne
O. Thelen
University of Cologne
N. Warr
University of Cologne
D. Weisshaar
University of Cologne
F. Aksouh
KU Leuven
P. Van den Bergh
KU Leuven
P. Van Duppen
KU Leuven
M. Huyse
KU Leuven
O. Ivanov
KU Leuven
P. Mayet
KU Leuven
J. Van de Walle
KU Leuven
J. Aysto
CERN
P. A. Butler
CERN
J. Cederkall
CERN
P. Delahaye
CERN
H. O. U. Fynbo
CERN
L. M. Fraile
CERN
O. Forstner
CERN
S. Franchoo
Johannes Gutenberg University Mainz
CERN
U. Koster
CERN
Thomas Nilsson
Chalmers, Applied Physics, Subatomic Physics
M. Oinonen
CERN
T. Sieber
CERN
F. Wenander
CERN
M. Pantea
Technische Universität Darmstadt
A. Richter
Technische Universität Darmstadt
G. Schrieder
Technische Universität Darmstadt
H. Simon
Technische Universität Darmstadt
T. Behrens
Technical University of Munich
R. Gernhauser
Technical University of Munich
T. Kroll
Technical University of Munich
R. Krucken
Technical University of Munich
M. Munch
Technical University of Munich
T. Davinson
University of Edinburgh
J. Gerl
Helmholtz
G. Huber
Johannes Gutenberg University Mainz
A. Hurst
University of Liverpool
J. Iwanicki
University of Warsaw
Björn Jonson
Chalmers, Applied Physics, Subatomic Physics
P. Lieb
University of Göttingen
L. Liljeby
Manne Siegbahn Laboratory
A. Schempp
Goethe University Frankfurt
A. Scherillo
Institut Laue-Langevin
University of Cologne
P. Schmidt
Johannes Gutenberg University Mainz
G. Walter
Institut de Recherches Subatomiques
Nuclear Physics A
0375-9474 (ISSN)
Vol. 752 1-4 SPEC. ISS. 273C-278CSubject Categories
Subatomic Physics
DOI
10.1016/j.nuclphysa.2005.02.071